public class Test {
    public static void main(String[] args) {
        Teacher teacher = new Teacher("smith", 35, 10000, "Instructor", 0);//普通的授课老师
        professor p = new professor("smith", 35, 10000, "Instructor", 13000);//教授
        associate_professor a = new associate_professor("smith", 35, 10000, "Instructor", 12000);//副教授
        lecturer l = new lecturer("smith", 35, 10000, "Instructor", 11000);//讲师
        System.out.println("====普通老师的信息====");
        System.out.println(teacher.introduce());
        System.out.println(p.introduce());
        System.out.println(a.introduce());
        System.out.println(l.introduce());

    }
}
